Registered: Feb 2003
Location: Boston, MA
As Joey P stated, it is important to know the manufacturer of the router, as in certain cases, there are different approaches to handling this issue (preconfigured firewall maps, default firewall settings, etc).
Regarding what ports are open, I read your initial post incorrectly, and responded as if you didn't have *capacity* to adjust the outbound ports.
Indeed, from my research, you should open, for internal outbound access, 8080,80,37(TCP/UDP),123(UDP)... 80 / 8080 are for www, 37 for time and 123 for NTP which Tivo uses to set its clock.
Phillip C. Jackson, Geek
Tivo Series2 (80)
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